| Mason City to Antwerp | 4,269.39 mi (6,870.92 km) |
| Mason City to Anzegem | 4,251.53 mi (6,842.18 km) |
| Mason City to Ardooie | 4,235.73 mi (6,816.75 km) |
| Mason City to Arendonk | 4,289.65 mi (6,903.52 km) |
| Mason City to Arlon | 4,381.76 mi (7,051.76 km) |
| Mason City to Asse | 4,274.80 mi (6,879.63 km) |
| Mason City to Assebroek | 4,229.06 mi (6,806.02 km) |
| Mason City to Assenede | 4,245.64 mi (6,832.69 km) |
| Mason City to Ath | 4,270.43 mi (6,872.59 km) |
| Mason City to Aubange | 4,386.11 mi (7,058.77 km) |
| Mason City to Avelgem | 4,252.59 mi (6,843.88 km) |
| Mason City to Awans | 4,329.15 mi (6,967.10 km) |
| Mason City to Aywaille | 4,344.47 mi (6,991.76 km) |
| Mason City to Balen | 4,297.98 mi (6,916.94 km) |
| Mason City to Bassenge | 4,330.61 mi (6,969.45 km) |
